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Which of the following is/are the metal/alloys that demonstrate active-passive transitions?

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in Corrosion Engineering by (98.5k points)
Which of the following is/are the metal/alloys that demonstrate active-passive transitions?

(a) Iron and stainless steels

(b) Nickel and its alloys

(c) Iron, stainless steels, nickels, titanium, and its alloys

(d) Titanium and its alloys

The question was posed to me in an internship interview.

Origin of the question is Modern Theory Principles topic in portion Modern Theory Principles of Corrosion Engineering

1 Answer

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Best answer
Correct choice is (c) Iron, stainless steels, nickels, titanium, and its alloys

Explanation: Metals/alloys that demonstrate active-passive transitions is/are:

Iron and stainless steels

Nickel and its alloys

Titanium and its alloys

Chromium

Aluminum and its alloys.

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